Alyssa can run 0.75 mile in 35 seconds. About how long will it take her to run 7 miles?

Quick translate "x is 12 units from 20" into an equation. what are the values of x being described? if you can answer any of my other questions that'd be great too

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is